Description
Polygonum mexicanum (also called Mexican Knotweed, among many other common names) is an annual or perennial plant native to Mexico and Central America. It has a basal rosette of lanceolate leaves and a tall, erect stem with small white flowers. It grows in moist, grassy areas, such as riverbanks, meadows, and roadsides.
Flower, Seeds and Seedlings
The flower of Polygonum mexicanum is a small, white flower with six petals and a yellow center. The seeds are small and brown, and the seedlings are thin and light green.